var Menu = {};

$(function(){
    
    var MenuItem = Backbone.Model.extend({
      defaults: {
        position: 0
      }
    });
    
    var MenuCollection = Backbone.Collection.extend({
      model: MenuItem
    });
    
    
    Menu.collection = new MenuCollection({
      initialize: function(){
        alert('ololo !');
      }
    });

});

